77CAh
CLAAS 77CAh – Claas Hyd A60 Claas Hydraulic Module: Checksum error on valve 2, electrodistributor 2 remains at neutral
Issue description
A checksum error has been detected on valve 2, which is caused by electrodistributor 2 remaining in the neutral position. This issue is associated with the electrodistributor module (A105-2).
Check the cause
Electrodistributor 2 position
Electrodistributor module (A105-2) functionality
Valve 2 checksum integrity
Repair steps
Verify electrodistributor 2 position
Ensure electrodistributor 2 is not stuck in the neutral position.
Inspect electrodistributor module (A105-2)
Check for any signs of malfunction or damage to the electrodistributor module (A105-2).
Reset or recalibrate valve 2 checksum
Follow the service manual procedures to reset or recalibrate the checksum for valve 2.
Parts you might need
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